Hba Lun

Picking up where I left off: the default limit set by the Linux qla2xxx driver for concurrent I/O requests on QLogic cards (32 per LUN) is conservative. LUN (Logical Unit Number) Masking is an authorization process that makes a LUN available to some hosts and unavailable to other hosts. 12 comments to HOW TO: Find HBA WWN number on VMware vSphere ESX server. If you increase the queue depth to 64 (as is the new default in 5. Citrix Hypervisor servers support Fibre Channel SANs through Emulex or QLogic host bus adapters (HBAs). With 2 HBA cards in play, each HBA card is masked to the same set of LUNs to avoid Single Point of Failure (SPOF), so number of LUNs which can be theoretically be supported by 2 Emulex HBA cards without flooding the HBA queue. I just know that critical to accessing Fibre Channel LUNs is that you have your SAN network zoned to allow the WWPN from your HBA to talk to the WWPN of the Fibre Channel controllers, and then on the controller you need to mask the LUN to expose it to the WWN of your server. I have a T2000 series server for some testing related activity and the server is connected with 10Gig Lun and Sun Branded Emulex HBA has been installed with the server. Confirming UCS HBA Connectivity We are going to be connecting to our NetApp filer over Fibre Channel, so let’s make sure our WWNs are logged into the Cisco InterConnects. I'm not sure if this helps, but I am running FC3 on my machine with a QLA2200. Ok, maybe this pictures shows it. Updating QLogic HBA queue depths on a Linux host Identify the device queue depth parameter to be modified: modinfo qla2xxx | grep ql2xmaxqdepth You can modify only the ql2xmaxqdepth queue depth parameter, which denotes the maximum queue depth that can be set for each LUN. Storage device: This is the controller in the array to which the HBA attaches. This allows you to place additional virtual disks on the data store, but without sacrificing the aggregate number of available storage IO queues. Previous Post Configuring X-Server Display For Oracle Solaris 11 Next Post Solaris script to scan FiberChannel bus for new LUN Leave a Reply Cancel reply Your email address will not be published. UNIX World is constantly changing. This popup will appears asking you if you want to scan for new Storage Device or new VMFS volumes. Short for logical unit number, LUN is a unique identifier used on a SCSI bus to distinguish between devices that share the same bus. spinning up the device! HBA 0 , id 0 , lun 0 searching for device at HBA 0 , id 0 , lun 0 still nothing happend, so i left it like that (still searching) and went to kitchen to make myself a hot cup of coffee After a few minutes, i hear Brr brr, the bootdiskkette was starting up. You can get the Fiber Channel addresses of the HBAs by typing the following. Get WWN, Model, Part Number, etc. It can be used to refer to an entire physical disk, or a subset of a larger physical disk or disk volume. Host WWPN is the WWPN of the host HBA port through which a SCSI command will be a sent. a lun from an ESX host/cluster on the storage box the only identifier that I could count on was the lun serialnumber. A LUN is a Logical Unit Number. Once you ask for storage from Storage Team the very first qestion will be what is the " WWPN Address" of HBA cards on your AIX. Hi i am Ashish, having 12 Yr's of experience in IT field. Each HBA can support 128 Targets per "Bus" where bus might be an artificial construct, and there could be 8 buses per HBA (officially). To connect to the LUN it simply needs the data path information (WWN) which includes HBA #, controller and of course the LUN ID of the volume associated with the VMFS datastore. HBA/Hirsch Bedner Associates creates inspired, brand-strengthening design experiences that evoke a distinct sense of place, while delighting the world's most discriminating travelers. ql-hba-snapshot - display specific information of the QLogic HBA. Dynamically adding LUN's to Qlogic HBA on Linux: 1. Actually I want to know how can I see the Luns presented using a HBA WWN. also you can use inq for QLogic alswell. A Logical Unit Number (LUN) is an indivisible unit presented by a storage device to its host. For multiple HBA port configurations, only one HBA port should be connected to the SAN during Windows Setup. Rather than creating a virtual disk (VMDK) on a LUN, which is generally shared with other VMs and virtual disks. However, when both HBA connections are functional, only one needs to have its BIOS enabled. So if you have a per device (per LUN) queue depth of 32 you can support 128 LUN's at full queue depth, without queueing in the HBA. LUN masking is applied primarily at the HBA (Host Bus Adapter) level. same thing when issuing a LIP and rescan manually:. 8 GB speed, NIC is NIC card for 10/100/1000 MB and CNA is Conversional NEtwork adapter. In order to optimize host processor performance, the host bus adapter runs many low-level interface functions automatically, or with little processor involvement. To allocate LUN(s)/storage space to server. 0 Posted on March 20, 2012 by mugithi So, this weekend I had to set up a customer demo that showed xenCenter/xenServer configuration running on a 3PAR array. I previously posed a few questions about the behavior of vSphere's SIOC and (LUN) Adaptive Queue Depth. This is significant as Windows-based servers attempt to write volume labels to all. 1 this was a global setting for all LUNs. Applicable to clustered Data ONTAP 8. Pure Storage supports a maximum read and write transfer size of 4MB. This causes the startup to hang 90 seconds at 1% 'vRDGW': No LUNs have appeared for Synthetic Fibre Channel HBA Fibre Channel Adapter (F5F8DD0B-5EF9-4958-9AF3-48FBF3A6C505). x), Docker as well as on storage like EMC VNX/VMAX and HPE 3PAR. Each HBA may control one or more SCSI buses. Kind of like a mount point. If you increase the queue depth to 64 (as is the new default in 5. If you are considering building a new home or a remodeling project, the most important decision you can make is selecting an IC Area HBA member to do the job. The VSS provider first maps the snapshot target LUN to both the physical HBA WWPNs and virtual WWPNs of the destination server. Supported host operating systems include Microsoft Windows 2000/XP, IBM AIX, Hewlett Packard HPUX, and Sun Solaris. The LUN has long been a bedrock of storage configuration for physical servers with LUN storage partitions carved out from RAID groups to provide logical chunks of capacity for applications. txt) or read online for free. The view that I want is something like this: LUN (on the server side like /dev/rdsk/) | WWN (from the server) | Paths (the paths that connect my hba wwn from the server to the hba's wwn of the storage). Depending on the host system environment, a LUN is also known as a volume or a logical drive. Best Practices For HBA Installation. powermt set mode hba – Forcefully set the mode for a specific HBA You can change the mode of a specific HBA to either standby or active using this command. Obtain the HBA device drivers for your version of Windows. 0 with PowerPath /VE 5. This post covers how to provision a LUN for vSphere on an EMC XtremIO brick. The Saved Boot Devices list appears. 1 this was a global setting for all LUNs. They are largely underutilized and misunderstood, so SANs are said to be a security problem. powermt display command (without any arguments), displays the available HBAs and their current status. Some storage controllers also support LUN. In order to provide resilience we setup: 1) 2 separate stacks with 2 x 1GB trunk between them. Attacks on FC SANs: HBA ¥ LUN Masking — LUN masking is the process of hiding or revealing parts of a storage disk (specific LUNs) to a client node ¥ LUN masking creates subsets of storage within the SAN virtual pool and allowing only designated servers to access the storage subsets. We have Two HBA here from the above example (host0 and host1). The host adapter recognizes the system drives after reinitializing the host bus. Best Practices For HBA Installation. Due to possible compromises at HBA level, LUN masking implemented at HBA level is more prone to attacks. It means that each ESX host at any moment can have no more than 32 active operations to a LUN. The album was preceded by the singles "Pretty Gi. One of my folk, he installed Emulex Driver for Emulex Branded HBA in the server without his knowledge. It should be noted that the HBA max_xfer_size defaults to 1MB (0x100000) and will limit transfers larger than 1MB. qaucli -c = - Displays current HBA Parameter settings of all HBAs. I have a T2000 series server for some testing related activity and the server is connected with 10Gig Lun and Sun Branded Emulex HBA has been installed with the server. Typically all LUNS are masked to both HBA cards for load balancing. The Saved Boot Devices list appears. TDAT, or thin data device, is an internal LUN which is assigned to a thin pool. Select Configure Boot Devices. For example, for a 5 drive RAID 5 (4+1), maximum queue depth=32+4*14=88 The HBA execution throttle thresholds on the hosts may be set at too high a value (such as 256). This information, plus the LUN number of the new device, can be used as. If the --type paramter is 'location' this value indicates the value of the SCSI Logical Unit Number (LUN) for the paths you wish to run claim rules on. The HBA 1000 is the first product in the new Smart Storage Solutions family that is being forged through the convergence of Microsemi SAS/SATA protocol controller expertise, more than 30 years of Microsemi board innovation, and acquired Smart IP technology. The SN1000Q 16Gb HBA is backward compatible with 8 and 4 Gb storage networks and will protect future investments. Check the Driver Name (and edit in Line 75) in case of trouble. Refer to your HBA vendor-specific documentation for instructions. Read this KB: 1267. The LVM over hardware HBA type represents disks as VHDs on Logical Volumes within a Volume Group created on an HBA LUN that provides, for example, hardware-based iSCSI or FC support. HBA cards have FC-HBA and iSCSI HBAs. This sample procedure explains how to configure the QLogic HBA to boot ESXi from SAN. To force a rescan from the command line, type the following command: # echo "scsi-qlascan" > /proc/scsi// where, - = qla2100, qla2200, qla2300 (2. If the --type paramter is 'location' this value indicates the value of the SCSI Logical Unit Number (LUN) for the paths you wish to run claim rules on. You can use the QLogic HBA management GUI or command-line interface (CLI) to modify the QLogic HBA queue depth. 001=) 32,000 IOPS. HBA Member Directory The 2019 Membership Directory is on-line! Click on the cover to check it out. Plug in the fiber again, the system hasn’t created the physical LUN, which causes the multiple paths can’t execute the failback. I want to re-introduce the XENSERVER-03 SR HBA LUN to look the same as the XENSERVER-04 SR HBA LUN. vPar: vPar is virtual. My other work included,. 1 is 32, and the best value for your environment depends on a couple of factors:. LUN (Logical Unit Number) A grouping of uniquely numbered blocks of storage attached to a storage appliance by Ethe rnet SAN. How to get LUN WWN (i. If not already done, zone and create the boot LUN. HBA queue depth limit. List HBA WWPNs and LUNs using Powershell. For example, for a 5 drive RAID 5 (4+1), maximum queue depth=32+4*14=88 The HBA execution throttle thresholds on the hosts may be set at too high a value (such as 256). Recently I had to present some new LUN’s from a NetApp to my AIX box. If you increase the queue depth to 64 (as is the new default in 5. UNIX World is constantly changing. - Added new CTRL-A BIOS option for disabling runtime BIOS (for 6H and 7H only). This document is not restricted to specific software and hardware versions. LUN and HBA Queue Depth on ESX(i) Hosts. I have a FC attached tape library which has 3 LUNs, and it scans them and they work fine. It's tested with Cisco UCS Blades including VIC Cards and QLogic FC HBA's in Dell Hosts. Each I/O request from the host's initiator HBA to the storage controller's target adapter consumes a queue entry. Iridium Apr 4, 2014 12:48 PM Hi there guys. This can be done with various commands, such as lsscsi, scsi_id, multipath -l, and ls -l /dev/disk/by-*. Configure the host BIOS to make the boot LUN the first disk device in the boot order. Fibre Channel testing and troubleshooting commandsGeneral Information about HBA and SCSITo examine some simple information about the Fibre Channel HBAs in a machine# systool -c fc_host –v. Page 7 SANsurfer FC HBA Manager Application User's Guide for OEMs Management Application for SANblade Fibre Channel Host Bus Adapters SANsurfer FC HBA Manager Configuring HBA Ports Using the General Configuration Wizard. Confirming UCS HBA Connectivity. How to find HBA Card Information ( Qlogic & Emulex How to find WWN/WWPN Number in RHELinux. It is possible to use tools within AIX to determine the SCSI ID and LUN ID. LUN (Logical Unit Number) A grouping of uniquely numbered blocks of storage attached to a storage appliance by Ethe rnet SAN. Flash Values—The HBA obtains the boot LUN information from flash memory. So a PE would have a LUN ID of let's say 244 and a SLU "bound" to it would have a LUN ID of 243:4 for instance. Since that works great, there is barely a reason to write something else to do the same thing, save one reason that is near and dear to our vNugglets hearts: speed. Ok, maybe this pictures shows it. The vHBA should be able to see the target. Apply to Storage Engineer, Technical Specialist, Architect and more! LUN security, and HBA configuration. If the configuration is complex, finding the root cause for any BFS issues becomes far more complicated. The system will run out of resources long before that and each HBA will not be able to support anything close to that. For example, for a 5 drive RAID 5 (4+1), maximum queue depth=32+4*14=88 The HBA execution throttle thresholds on the hosts may be set at too high a value (such as 256). At these times a "QFULL" status is returned to the HBA. After that you should be able to see the LUN as a harddisk in windows diskmanagement. The table and graph below summarize the performance differences between the Emulex HBA and the QLogic HBA in the VMware environment. There are other HBA cards in the future, but HBAs are usually used in SCSI. NPIV in libvirt NPIV (N_Port ID Virtualization) is a Fibre Channel technology to share a single physical Fibre Channel HBA with multiple virtual ports. These requests can be configured per single Logical Unit Number (LUN) that is accessed or based on the HBA. Best Practices For HBA Installation. It could be something to do with the wrong multipathing policy being used. But also note that this change just impacts the LUN numbering as the max supported SCSI devices remains at 256, so essentially you can have LUNs numbered higher than 255 now but you are still limited to 256 total LUNs per host as documented in the vSphere 6. Hello, Can I re-attach a LUN already attached to the same host to fix an SR introduction? Please see attached file. If you are still unable to see the new LUN/DISK, then, if you have multipathing enabled, you can try to reset the HBA. Note : Servers in the pool might be having different scsi_host numbers. Host Bus Adapter (HBA): This is the controller that is connected to the storage device. 0 with PowerPath /VE 5. I recommend combining this script with Send-HtmlEmail function. This document is not restricted to specific software and hardware versions. Target WWPN. Each HBA can support 128 Targets per "Bus" where bus might be an artificial construct, and there could be 8 buses per HBA (officially). Obtain the HBA device drivers for your version of Windows. The procedure involves enabling the QLogic HBA BIOS, enabling the selectable boot, and selecting the boot LUN. symaccess -sid 1234 -type initiator -name Host1 create -consistent_lun. HBA queue depth limit. 0001 ===== How to load/view HBA and associated SAN software. spinning up the device! HBA 0 , id 0 , lun 0 searching for device at HBA 0 , id 0 , lun 0 still nothing happend, so i left it like that (still searching) and went to kitchen to make myself a hot cup of coffee After a few minutes, i hear Brr brr, the bootdiskkette was starting up. Worked on some of the most known OS distro's of Linux like RHEL/CentOS, Virtualization (VMware vSphere ESXi 5. A traditional block I/O adapter connects to a LUN on a storage array where your VMFS datastore is located. e LUN mapped from a storage box say Symmetrix or clariion) in Solaris. If you’re on VMware v3. iSOE may be implemented with additional services such as TCP offload engine (TOE) to further reduce host server CPU usage. Components Used. It's not as big a deal as it used to be with Gig-E with all the spare cycles but on 10Gb you may need a dedicated iSCSI HBA. A Logical Unit Number (LUN) is an indivisible unit presented by a storage device to its host. Learn how to create a LUN, how to share a LUN, and find out about LUN provisioning and LUN masking. Check and list luns attached to HBA in RHEL6. Unless the device shows up as unusable , it cannot be removed from the device tree. lst instead of the disk-by-id version that is default in SLES 11. To get the WWNN (World Wide Node Number) of HBA or FC card in Linux. Here is a solution to find WWN number of HBA and scan the FC Luns. When a change occurs on an active zone set of a fabric switch, most fibre channel switches issue a Register for State Change Notification (RSCN) event to the devices attached to them, such as ESX Servers and storage arrays. LUN Masking is a level of security that makes a LUN available to only selected hosts and unavailable to all others. The SCSIcmd utility is a single. 3) Purchase and configure advanced routing license to allow for single virtual gateway. I recommend combining this script with Send-HtmlEmail function. We need " WWPN Address " information of HBA card to create zoning on fiber channel switch for assigning and unassign storage to a AIX host. A World queue (a queue per virtual machine), an Adapter queue (a queue per HBA in the host), and a Device/LUN queue (a queue per LUN per Adapter). I will identify by WWPN so I can just hit enter again. you can give access of specific LUN on the SAN to specific host with specific HBA. You need to carry out the configuration required to expose the LUN before running the New Storage Repository wizard: the wizard will automatically probe for available LUNs and display a list of all the LUNs found. Navisphere CLI is a command line interface tool for EMC storage system management. The Saved Boot Devices list appears. Rescan all vmhba’s at once with the esxcfg-rescan command Duncan Epping · Jan 25, 2008 · Using the console it’s very easy to rescan a specific vmhba which can be useful when you are troubleshooting. HBA creates inspired, brand-strengthening design experiences that evoke a distinct sense of place, while delighting the world's most discriminating travelers. Path policy must be set to Fixed for this case. qaucli -c = - Displays current HBA Parameter settings of all HBAs. Disable LUN During ESXi Installation 04/17/2012 by William Lam 14 Comments For many of us who worked with classic ESX back in the day, can recall one of the scariest thing during an install/re-install or upgrade of an ESX host that had SAN attached storage, was the potential risk of accidentally installing ESX onto one of the LUNs that housed. My other work included,. Hi, I have an Esx Serer with 2 Hba -- > vmhba2 and vmhba3. The Fibre Channel target mode supports multiple I/O paths between host(s) and a target device on the Oracle ZFS Storage Appliance. An example of a TDAT device might be a Raid-5(3+P) LUN. These requests can be configured per single Logical Unit Number (LUN) that is accessed or based on the HBA. I need this information to create zoning on my fiber channel switch. HP FC1242SR 4Gb PCIe DC Host Bus Adapter HP 81Q PCIe Fibre Channel Host Bus Adapter HP 82Q 8Gb Dual Port PCIe Fibre Channel Host Bus Adapter QLogic QMH2562 8Gb Fibre Channel Host Bus Adapter for c-Class BladeSystem; QLogic QMH2462 4Gb Fibre Channel Host Bus Adapter for c-Class BladeSystem. Each DAE has 1 LUN per SP port. These commands will help add the disks and also assist in identifying an issue as to why the server may not see the newly create SAN disks. A logical unit number (LUN) is an identifier used for labeling and designating subsystems of physical or virtual storage. Extracting WWN IDs and HBA Port Mappings from SCSI Disks under Linux: Abstract This note presents a technique to extract the unique Scsi id for each disk attached to a Linux-based server. EMC Best Practise for EX2k10 is to use PowePath and set the HBA queue depth to 128. Question: How do I lookup the wwn address of my HBA card installed on the Linux system. Then i saw the following messages display on my screen. We need " WWPN Address " information of HBA card to create zoning on fiber channel switch for assigning and unassign storage to a AIX host. Confirming UCS HBA Connectivity. HP Fibre Channel HBA drivers was specifically designed to provide improved performance when connected to HP StorageWorks Enterprise Virtual Arrays (EVA). Both of these aliases are added to the LUN Masking group which is allowed access to the Server 1 LUN. I have presented a new LUN to this XenServer, but when I attempt to scan for new LUNs, none are found. Check and list luns attached to HBA in RHEL6. With the ability to deliver twice the I/O performance of 8 Gb FC HBAs. My role was to work with the team to configure and deploy a HP C7000 blade enclosure with G5 series blades. Coraid offers a range of HBAs with support for a variety of operating systems. A WWPN is specified in the format f0:f1:f2:f3:f4:f5:f6:f7 in lower case. An iSCSI software initiator uses the Windows host CPU for most processing and Ethernet network interface cards (NICs) or TCP/IP offload engine (TOE) cards for network connectivity. 18 October, 2013 at 09:32 · Reply ~ # esxcfg-scsidevs -a. 5 or later, with the sysfs filesystem mounted. SAN HBA Comandos. EXE file that can be downloaded from the Symantec support web site ( Article: TECH72086 ) and can be used on MS Windows 2000. 6 kernel drivers) - = the instance number of the HBA. Around the globe, HBA consistently sets new standards for luxury, comfort and innovation in hospitality interior design. Queue depth is the number of I/O requests (SCSI commands) that can be queued at one time on a storage controller. We have Two HBA here from the above example (host0 and host1). Useful Links/References: IBM Redbook: Practical Guide for SAN with pSeries (Especially p64 (Installing the HBA drivers) and p120 (connecting to the FASTt500)). These requests can be configured per single Logical Unit Number (LUN) that is accessed or based on the HBA. The VSS provider first maps the snapshot target LUN to both the physical HBA WWPNs and virtual WWPNs of the destination server. " Then, after you hear back, document the type information they want from you, so that you can make an intelligent LUN request next time. HP Fibre Channel HBA drivers was specifically designed to provide improved performance when connected to HP StorageWorks Enterprise Virtual Arrays (EVA). The environment consists of HP Virtual Connect FC modules connected to 8Gb Brocade switches. Finding WWN's on Windows Server 2012 Using PowerShell With a single command you can retrieve WWN's on Windows Server 2012 R2 using PowerShell. Learn how to create a LUN, how to share a LUN, and find out about LUN provisioning and LUN masking. The QLogic 16Gb FC Single-port and Dual-port Host Bus Adapters (HBAs) for System x® are sixth generation Fibre Channel Adapters. #lspv #lspv|wc -l Now execute the below commands to scan the new lun/disk. Disks; cfgadm, fcinfo and LUN mapping on Solaris OK, so you have a Solaris 10 host with SAN connected storage - how do you make sense of the LUNs you can see? What tools can be used to interrogate the storage and build a mental image of what you have been presented with?. Device Queue Depth on QLogic HBAs by Cormac Posted on April 24, 2013 January 30, 2014 Just thought I’d bring to your attention something that has been doing the rounds here at VMware recently, and will be applicable to those of you using QLogic HBAs with ESXi 5. The system will run out of resources long before that and each HBA will not be able to support anything close to that. Plug in the fiber again, the system hasn’t created the physical LUN, which causes the multiple paths can’t execute the failback. Hence performing the scan using this method is not recommended on any production server where the SAN Devices are already configured in use. These requests can be configured per single Logical Unit Number (LUN) that is accessed or based on the HBA. Message-ID: 659650489. Depending on the environment, a LUN may refer to a subsection of a disk or a disk in its entirety. Rather, Windows Server 2012 will coordinate with the array to transfer the blocks that contain the data from one location on one LUN, to a different location on the same LUN, or another LUN – depending on what the copy actually requires. Find HBA and WWN Information on Windows using WMI (Updated June 2015) Find the WWN Information in order to Map storage etc. • Design and develop full automated cloud and storage commissioning solution ( including LUN creation, LUN masking, HBA query and zoning to storage arrays) • Present end to end solution to project stakeholders Senior Software Engineer. In the Host Configuration Guide, on page 59, it talks about setting the LUN queue depth on the Emulex HBA to 128. Therefore, you can install the operating system on the storage devices and set FC SAN startup through HBA. qla2xxx indicates that it is using the Q-Logic HBA card. 5 do not find the Autochanger. FC Number of paths to a LUN = 32 Number of total paths on a server = 1024. When you exceed the queue depth on target, you should expect performance degradation. How to find HBA Card Information ( Qlogic & Emulex How to find WWN/WWPN Number in RHELinux. Future studies should also clarify the effect of HbA 1c on CVD subtypes, which may provide additional insight into the global distribution of CVD subtypes such as stroke, which is more prevalent in Asians. lpfc_lun_queue_depth: Maximum number of FC commands that can be queued to a specific LUN (uint) lpfc_hba_queue_depth: Maximum number of FC commands that can be queued to an lpfc HBA (uint) lpfc_tgt_queue_depth: Maximum number of FC commands that can be queued to a specific target port (uint). A traditional block I/O adapter connects to a LUN on a storage array where your VMFS datastore is located. LUN and HBA Queue Depth on ESX(i) Hosts. HBA queue depth limit. In particular for Fibre Channel SANs, where factors like complex cabling, LUN masking and zoning can come into play, it's a good sanity check to first use this facility to check that the storage is seen at this level. Hello, Can I re-attach a LUN already attached to the same host to fix an SR introduction? Please see attached file. when i use esxtop with d option i see all disk traffic pass through the vmhba2. In many cases, you can reduce the number of data stores you need to manage by increasing the queue depth per HBA LUN on each vSphere host. Rather than creating a virtual disk (VMDK) on a LUN, which is generally shared with other VMs and virtual disks. The detached LUN disappeared as soon as the rescan operation completed. Apparently everything is correctly configured but I can't get the client to discover any ft devices. In the Host Configuration Guide, on page 59, it talks about setting the LUN queue depth on the Emulex HBA to 128. Actually I want to know how can I see the Luns presented using a HBA WWN. Get WWN, Model, Part Number, etc. They are largely underutilized and misunderstood, so SANs are said to be a security problem. EMC – SYMCLI By P. 150 hba jobs available. The information in this document was created from the devices in a specific lab environment. A particular LUN can be assigned a WWN, so that a specific HBA can access a LUN, known as LUN masking. For more Max & Mins see @Virten's post: 'VMware vSphere ESX and vCenter Configuration Maximums' So what exactly does this mean; for example if a host consists of two FC HBA's with HBA-0 connecting to Fabric-A and HBA-1 connecting to FabricB, as per the following. Best Practices For Booting From SAN (BFS) Configurations. Book today with Etihad Airways. h your software will have access to a series of symbolic constants that correspond to the type names in the previous table. powermt display command (without any arguments), displays the available HBAs and their current status. How to get LUN WWN (i. The configuration settings are specified via the HBA_Config custom attribute, which must be created for each server on which the Build Plan is run. The Execution Throttle/Queue Depth signifies the maximum number of outstanding commands that can execute on any one HBA port. Downloads and Documentation. It runs only on linux systems running kernels 2. Lower TCO Reduce your data center costs through convergence with the Sun Storage 16 Gb FC PCIe Universal HBA (Emulex). All you have to do is write to the LUN from a different HBA path. User Data, TempDB and Staging FG. – Modify the access control list to include all the hosts in question. In many cases, you can reduce the number of data stores you need to manage by increasing the queue depth per HBA LUN on each vSphere host. I'm not sure if this helps, but I am running FC3 on my machine with a QLA2200. Discover, Grow, Soar! Hawaii Baptist Academy is a private, Christian college-preparatory school that equips students spiritually, intellectually, physically, socially, and emotionally, so that they bring honor to God. Then make fiber connections and switch zoning. In particular for Fibre Channel SANs, where factors like complex cabling, LUN masking and zoning can come into play, it's a good sanity check to first use this facility to check that the storage is seen at this level. From a VI Client, a LUN looks like any other storage unit available for access. Understanding VMware ESXi Queuing and the FlashArray February 23, 2017 codyhosterman 50 Comments So I am in the middle of updating my best practices guide for vSphere on FlashArray and one of the topics I am looking into providing better guidance around is ESXi queue management. Short for logical unit number, LUN is a unique identifier used on a SCSI bus to distinguish between devices that share the same bus. Check the health of your storage paths 30 March, 2015 28 March, 2015 Gabrie van Zanten For you vSphere environment you always want to make sure that all paths to your storage system are connected. This article is in response to the post More Questions About Queues: LUN and HBA Queue Depth on ESX(i) Hosts. Useful Links/References: IBM Redbook: Practical Guide for SAN with pSeries (Especially p64 (Installing the HBA drivers) and p120 (connecting to the FASTt500)). Auto LUN Discovery on ESXi hosts by Cormac Posted on January 9, 2013 January 19, 2014 Did you know that any newly presented LUNs/paths added to an already discovered target will automatically be discovered by your ESXi host without a rescan of the SAN?. How can I get WWN and LUN id from windows server 2008 and 2012 r2. A traditional block I/O adapter connects to a LUN on a storage array where your VMFS datastore is located. Over a specific Target there can be paths to multiple LUNs, but these LUNs do not necessarily need to use a specific target (Target Disable). It can also be used to automate the management functions through shell scripts and batch. LUN / datastore showing as inactive, inaccessible and unmounted in VMware vCenter 5. These are typical commands for interrogating the HBA: qaucli -g = - display general system information qaucli -i = - Views the general or vpd information of all HBAs. With a total of 4 FC connections across two (2) physical dual port HBAs in a HA configuration with one (1) connection per HBA per Fabric, this equates to a total of 8 paths per LUN to the ESXi host (4 paths per Fabric). fcinfo command does give the Target port wwn but what i'm looking for is the LUN WWN. 5) drops the driver of this card: LSI 12Gb SAS 9300-8e HBA (OEM). Use the appropriate module based on the output of step 2. This can be done with various commands, such as lsscsi, scsi_id, multipath -l, and ls -l /dev/disk/by-*. The Execution Throttle/Queue Depth signifies the maximum number of outstanding commands that can execute on any one HBA port. List HBA WWPNs and LUNs using Powershell. Found a solution, using the fdisk -l command will let see the luns. Compellent is not an ALUA storage array (read my other blog post), which means each LUN is presented through one controller only. @Xalorous so there is no additional roles or features to enable for the detection of the FC LUNs other then to install the hba drivers and presenting the hba wwn to the storage - right ? if so, what do you mean by "the other way is more powerful" and it involves the iSCSI initiator - can i use iscsi to connect to a FC LUN ???. 6 kernel drivers) - = the instance number of the HBA. Navisphere CLI is a command line interface tool for EMC storage system management. The following examples, shows that there are 2 HBAs connected to the server, both the HBAs are in active condition with 2 I/O path's each. Once the disk / LUN is made available / visible to server, next step is to scan it. WHAT IS LUN. I'm having issues to see the disk from the Manager and cannot create a pool. Hi i am Ashish, having 12 Yr's of experience in IT field. If you are still unable to see the new LUN/DISK, then, if you have multipathing enabled, you can try to reset the HBA. For more Max & Mins see @Virten‘s post: ‘VMware vSphere ESX and vCenter Configuration Maximums’ So what exactly does this mean; for example if a host consists of two FC HBA’s with HBA-0 connecting to Fabric-A and HBA-1 connecting to FabricB, as per the following. When this is received the ESX host decreases its LUN queue depth to just 1 I/O. This is done because of the voltage characteristics of the HBA. Rewrite ufshcd_issue_tm_cmd0x to use this new helper. Each HBA can support 128 Targets per “Bus” where bus might be an artificial construct, and there could be 8 buses per HBA (officially). 0U1 on a Cisco UCS environment, where the ESX hosts boot from SAN, I noticed one of the hosts was not registered correctly on the EMC VNX, as it showed up as unmanaged. This is one reason why you might not want to virtualize your high-end SQL Servers yet: they don’t get quite the same level of throughput that you can get on physical hardware. 4, Solaris 10 update 9. 0 Posted on March 20, 2012 by mugithi So, this weekend I had to set up a customer demo that showed xenCenter/xenServer configuration running on a 3PAR array. UNIX World is constantly changing. The SN1000Q 16Gb HBA is backward compatible with 8 and 4 Gb storage networks and will protect future investments. Once hard disk [0] was added to the boot list, the host was able to boot from the SAN LUN. Refer to your host documentation for instructions. Matching the HBA ports with Disk Controllers. Found a solution, using the fdisk -l command will let see the luns. HBA reset on Linux System Please refer to the instructions on resetting HBA port grep -i offline ioscan -m lun disk 216 64000/0xfa00/0xd9 esdisk CLAIMED. These are typical commands for interrogating the HBA: qaucli -g = - display general system information qaucli -i = - Views the general or vpd information of all HBAs. Each I/O request from the host's initiator HBA to the storage controller's target adapter consumes a queue entry. Difference Between LUN Masking and LUN Mapping? What exactly is difference between LUN masking and LUN Mapping? I googled it for a while and my understanding is LUN Masking is assigning a LUN to particular group of hosts so that all the group members can see the LUN on their HBA. This kind of security is done on the SAN level and is based on the host HBA , i. In this article i am going to show you Howto check HBA firmware & Driver Version Info Linux. Ensure that the firmware level on each HBA is the same. Two different Qlogic cards, one for the ft zone and other for the backup zone. A configuration with a Windows Server 2016/2012/2008 host requires the following software on the host, depending on the host configuration and unless otherwise specified:. Here is a solution to find WWN number of HBA and scan the FC Luns. Note: If all Emulex HBAs on the host are connected to the XtremIO storage, replace lpfc0_lun_queue_depth with lpfc_lun_queue_depth. Solaris - How to Scan FC LUNS and SCSI Disks ? August 30, 2013 By Lingeswaran R 10 Comments Application's and Database's storage requirement on the servers will be keep on increase day by day. The physical disk or disk volume could be an entire single disk drive, a partition (subset) of a single disk drive, or disk volume from a RAID controller.